Tharee, P., A. Nantsupawat, and A. Oumtanee. “The Development of First Line Nurse Manager Competency Scale, Lerdsin Hospital”. Journal of The Royal Thai Army Nurses, vol. 26, no. 3, Dec. 2025, pp. 208-17, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/272231.